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🥝 Developer API & Card Security Engineer

Jack & Jill/External ATS | london, United-Kingdom | Posted June 18, 2026

Job Description

A VC-backed fintech company in London seeks a Product Engineer to build secure APIs for critical payment infrastructure. This role offers massive ownership within a lean team, directly influencing product direction. The ideal candidate is technically proficient in systems and network design, operates with a proactive mindset, and can effectively communicate technical details to various stakeholders. Join the mission of enhancing security for major clients globally.
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